Home / 117,930.08-176,980.62-88,427.36

Finding the Fourth Proportional to 117,930.08, 176,980.62 and 88,427.36

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Solution

The fourth proportional to 117,930.08, 176,980.62 and 88,427.36 is: 132,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930.08 : 176,980.62 = 88,427.36 : x
  2. Step 2: Convert to fraction form
    117,930.08/176,980.62 = 88,427.36/x
  3. Step 3: Cross multiply
    117,930.08x = 176,980.62 × 88,427.36
  4. Step 4: Simplify right side
    117,930.08x = 15,649,928,997.76
  5. Step 5: Solve for x
    x = 15,649,928,997.76/117,930.08
  6. Step 6: Final answer
    x = 132,705.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.